import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome'
import Users from '../components/User/Users'
import Rights from '../components/power/Rights'
import Roles from '../components/power/Roles'
import Cate from '../components/goods/Cate'
import Params from '../components/goods/Params'
import GoodsList from '../components/goods/List'
import Add from '../components/goods/Add'
import Order from '../components/order/Order'
import Report from '../components/report/Report'

Vue.use(VueRouter)

const routes = [
  {
    path: '/', redirect: '/login'
  },
  {
    path: '/login', component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
      path: '/welcome', component: Welcome
    },
    {
      path: '/users', component: Users
    },
    {
      path: '/rights', component: Rights
    },
    {
      path: '/roles', component: Roles
    },
    {
      path: '/categories', component: Cate
    },
    {
      path: '/params', component: Params
    },
    {
      path: '/goods', component: GoodsList
    },
    {
      path: '/goods/add', component: Add
    },
    {
      path: '/orders', component: Order
    },
    {
      path: '/reports', component: Report
    }]
  }

]

const router = new VueRouter({
  routes
})

router.beforeEach((to, from, next) => {
  // to 代表将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数表示放行
  // next() 放行 next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
